decrypt_data
From Dontopedia, the open, paraconsistent wiki. (Last updated 2026-06-10.)
decrypt_data is Decrypt data using AES.
74 facts·31 predicates·16 sources·12 in dispute
Mostly:has step(9), uses(8), calls(8)
Maturity scale
raw canonical shape-checked rule-derived certifiedOther facts (73)
The long tail: predicates that appear too rarely to warrant their own section. Filter or scroll to find a specific one. Each row links to its source.
73 facts
| Predicate | Value | Ref |
|---|---|---|
| Has Step | Step Decoding | [16] |
| Has Step | Step Salt Extraction | [16] |
| Has Step | Step Iv Extraction | [16] |
| Has Step | Step Ciphertext Extraction | [16] |
| Has Step | Step Key Derivation | [16] |
| Has Step | Step Cipher Initialization | [16] |
| Has Step | Step Decryptor Creation | [16] |
| Has Step | Step Decryption | [16] |
| Has Step | Step Unpadding | [16] |
| Uses | AES.MODE_CBC | [5] |
| Uses | base64.b64decode | [5] |
| Uses | unpad | [5] |
| Uses | key | [6] |
| Uses | Fernet(key) | [7] |
| Uses | Fernet | [8] |
| Uses | the generated key | [8] |
| Uses | Fernet | [9] |
| Calls | Decryptor.update | [12] |
| Calls | Base64 B64decode | [16] |
| Calls | Derive Key | [16] |
| Calls | Cipher | [16] |
| Calls | Unpad Data | [16] |
| Calls | Decryptor | [16] |
| Calls | Decryptor Update | [16] |
| Calls | Decryptor Finalize | [16] |
| Returns | decrypted_data | [2] |
| Returns | pt.decode('utf-8') | [3] |
| Returns | decrypted_data | [5] |
| Returns | plain_text.decode() | [7] |
| Returns | decrypted_data.decode() | [9] |
| Returns | pt.decode() | [11] |
| Returns | Plaintext Data | [16] |
| Extracts | the IV from the encrypted data | [1] |
| Extracts | salt | [16] |
| Extracts | iv | [16] |
| Extracts | ciphertext | [16] |
| Extracts | Salt | [16] |
| Extracts | Iv | [16] |
| Has Argument | received_iv | [4] |
| Has Argument | key | [4] |
| Has Argument | received_ct | [4] |
| Has Parameter | key | [9] |
| Has Parameter | encrypted_data | [9] |
| Has Parameter | password | [16] |
| Base64 Decodes | ct | [3] |
| Base64 Decodes | iv | [3] |
| Decrypts | encrypted_data | [6] |
| Decrypts | cipher_text | [8] |
| Takes | encryption key | [10] |
| Takes | encrypted data | [10] |
| Slice Start | 0 | [16] |
| Slice Start | 16 | [16] |
| Slice End | 16 | [16] |
| Slice End | 32 | [16] |
| Sets Iv | encrypted_data[:16] | [1] |
| Sets Encrypted Data | encrypted_data[16:] | [1] |
| Uses Algorithm | AES-256 | [2] |
| Uses Mode | AES.MODE_CBC | [3] |
| Decrypts Data Back to | its original form | [10] |
| Decrypts Data Using | Fernet | [10] |
| Requires Parameter | Encrypted Data | [13] |
| Variable Assignment | unpadder = padding.PKCS7(128).unpadder() | [14] |
| Called With | Key | [15] |
| Rdf:type | Function | [16] |
| Description | Decrypt data using AES | [16] |
| Inverse of | encrypt_data | [16] |
| Consumes | Base64 String | [16] |
| Uses Cryptographic Algorithm | Algorithms Aes | [16] |
| Uses Cryptographic Mode | Modes Cbc | [16] |
| Uses Padding Scheme | Pkcs7 | [16] |
| Requires Backend | Backend | [16] |
| Derives | Key | [16] |
| Data Flow | Base64 Ciphertext to Plaintext | [16] |
Timeline
Timeline axis is valid_time — when each source says the fact was true in the world, not when Dontopedia learned about it. Retracted rows are kept for provenance; coloured stripes indicate the context kind.
—
sets ivbeam/34b10539-11f1-46c5
encrypted_data[:16]
—
sets encrypted_databeam/34b10539-11f1-46c5
encrypted_data[16:]
—
extractsbeam/34b10539-11f1-46c5
the IV from the encrypted data
—
returnsbeam/6ce98709-99df-40ae
decrypted_data
—
uses algorithmbeam/6ce98709-99df-40ae
AES-256
—
base64Decodesbeam/f15518a1-9a8c-43b4-a5ad-a3652633c1fc
ct
—
usesModebeam/f15518a1-9a8c-43b4-a5ad-a3652633c1fc
AES.MODE_CBC
—
returnsbeam/f15518a1-9a8c-43b4-a5ad-a3652633c1fc
pt.decode('utf-8')
—
base64Decodesbeam/f15518a1-9a8c-43b4-a5ad-a3652633c1fc
iv
—
hasArgumentbeam/c049d0e2-a8d1-4076-99a0-3cdb1d6f3c35
received_iv
—
hasArgumentbeam/c049d0e2-a8d1-4076-99a0-3cdb1d6f3c35
key
—
hasArgumentbeam/c049d0e2-a8d1-4076-99a0-3cdb1d6f3c35
received_ct
—
usesbeam/0b98d56c-12b8-4c16-b04b-23766c3d6c2c
AES.MODE_CBC
—
usesbeam/0b98d56c-12b8-4c16-b04b-23766c3d6c2c
base64.b64decode
—
usesbeam/0b98d56c-12b8-4c16-b04b-23766c3d6c2c
unpad
—
returnsbeam/0b98d56c-12b8-4c16-b04b-23766c3d6c2c
decrypted_data
—
decryptsbeam/7711fd18-b375-463d-8a1e-75897ba6ddaf
encrypted_data
—
usesbeam/7711fd18-b375-463d-8a1e-75897ba6ddaf
key
—
returnsbeam/e84dc13b-d97a-4b40-92fe-5459a24e0148
plain_text.decode()
—
usesbeam/e84dc13b-d97a-4b40-92fe-5459a24e0148
Fernet(key)
—
decryptsbeam/b5d54588-e15a-4485-a440-78fbd4309cb6
cipher_text
—
usesbeam/b5d54588-e15a-4485-a440-78fbd4309cb6
Fernet
—
usesbeam/b5d54588-e15a-4485-a440-78fbd4309cb6
the generated key
—
returnsbeam/a73e534d-d3c8-46c3-9bfc-6df6a614c6ea
decrypted_data.decode()
—
usesbeam/a73e534d-d3c8-46c3-9bfc-6df6a614c6ea
Fernet
—
hasParameterbeam/a73e534d-d3c8-46c3-9bfc-6df6a614c6ea
key
—
hasParameterbeam/a73e534d-d3c8-46c3-9bfc-6df6a614c6ea
encrypted_data
—
decrypts data back tobeam/b4acf831-bb55-4351-b212-c6b3a2803f16
its original form
—
takesbeam/b4acf831-bb55-4351-b212-c6b3a2803f16
encryption key
—
takesbeam/b4acf831-bb55-4351-b212-c6b3a2803f16
encrypted data
—
decrypts data usingbeam/b4acf831-bb55-4351-b212-c6b3a2803f16
Fernet
—
returnsbeam/361712f1-ba07-499e-bf38-65ab3e86d059
pt.decode()
—
callsbeam/0551b16c-ce6f-4ca1-887e-75101f9635fc
ex:decryptor.update
—
requiresParameterbeam/a8e860d3-a2eb-4ad3-a6ee-22481930a5a1
ex:encrypted_data
—
variableAssignmentbeam/7e19863a-d1fd-4ecb-8689-dbf30a8549f1
unpadder = padding.PKCS7(128).unpadder()
—
calledWithbeam/e3b8fdc4-c1bb-4c39-a760-8ac58a94eafe
ex:key
—
hasParameterbeam/22bf3452-3cf2-4775-869b-61a865a7f8a9
password
—
typebeam/22bf3452-3cf2-4775-869b-61a865a7f8a9
ex:Function
—
labelbeam/22bf3452-3cf2-4775-869b-61a865a7f8a9
decrypt_data
—
descriptionbeam/22bf3452-3cf2-4775-869b-61a865a7f8a9
Decrypt data using AES
—
callsbeam/22bf3452-3cf2-4775-869b-61a865a7f8a9
ex:base64_b64decode
—
callsbeam/22bf3452-3cf2-4775-869b-61a865a7f8a9
ex:derive_key
—
callsbeam/22bf3452-3cf2-4775-869b-61a865a7f8a9
ex:Cipher
—
callsbeam/22bf3452-3cf2-4775-869b-61a865a7f8a9
ex:unpad_data
—
returnsbeam/22bf3452-3cf2-4775-869b-61a865a7f8a9
ex:plaintext_data
—
extractsbeam/22bf3452-3cf2-4775-869b-61a865a7f8a9
salt
—
extractsbeam/22bf3452-3cf2-4775-869b-61a865a7f8a9
iv
—
extractsbeam/22bf3452-3cf2-4775-869b-61a865a7f8a9
ciphertext
—
sliceStartbeam/22bf3452-3cf2-4775-869b-61a865a7f8a9
0
—
sliceEndbeam/22bf3452-3cf2-4775-869b-61a865a7f8a9
16
—
sliceStartbeam/22bf3452-3cf2-4775-869b-61a865a7f8a9
16
—
sliceEndbeam/22bf3452-3cf2-4775-869b-61a865a7f8a9
32
—
inverseOfbeam/22bf3452-3cf2-4775-869b-61a865a7f8a9
encrypt_data
—
consumesbeam/22bf3452-3cf2-4775-869b-61a865a7f8a9
ex:base64_string
—
callsbeam/22bf3452-3cf2-4775-869b-61a865a7f8a9
ex:decryptor
—
callsbeam/22bf3452-3cf2-4775-869b-61a865a7f8a9
ex:decryptor_update
—
callsbeam/22bf3452-3cf2-4775-869b-61a865a7f8a9
ex:decryptor_finalize
—
usesCryptographicAlgorithmbeam/22bf3452-3cf2-4775-869b-61a865a7f8a9
ex:algorithms_AES
—
usesCryptographicModebeam/22bf3452-3cf2-4775-869b-61a865a7f8a9
ex:modes_CBC
—
usesPaddingSchemebeam/22bf3452-3cf2-4775-869b-61a865a7f8a9
ex:PKCS7
—
requiresBackendbeam/22bf3452-3cf2-4775-869b-61a865a7f8a9
ex:backend
—
extractsbeam/22bf3452-3cf2-4775-869b-61a865a7f8a9
ex:salt
—
extractsbeam/22bf3452-3cf2-4775-869b-61a865a7f8a9
ex:iv
—
derivesbeam/22bf3452-3cf2-4775-869b-61a865a7f8a9
ex:key
—
dataFlowbeam/22bf3452-3cf2-4775-869b-61a865a7f8a9
ex:base64_ciphertext_to_plaintext
—
hasStepbeam/22bf3452-3cf2-4775-869b-61a865a7f8a9
ex:step_decoding
—
hasStepbeam/22bf3452-3cf2-4775-869b-61a865a7f8a9
ex:step_salt_extraction
—
hasStepbeam/22bf3452-3cf2-4775-869b-61a865a7f8a9
ex:step_iv_extraction
—
hasStepbeam/22bf3452-3cf2-4775-869b-61a865a7f8a9
ex:step_ciphertext_extraction
—
hasStepbeam/22bf3452-3cf2-4775-869b-61a865a7f8a9
ex:step_key_derivation
—
hasStepbeam/22bf3452-3cf2-4775-869b-61a865a7f8a9
ex:step_cipher_initialization
—
hasStepbeam/22bf3452-3cf2-4775-869b-61a865a7f8a9
ex:step_decryptor_creation
—
hasStepbeam/22bf3452-3cf2-4775-869b-61a865a7f8a9
ex:step_decryption
—
hasStepbeam/22bf3452-3cf2-4775-869b-61a865a7f8a9
ex:step_unpadding
References (16)
16 references
ctx:claims/beam/34b10539-11f1-46c5ctx:claims/beam/6ce98709-99df-40aectx:claims/beam/f15518a1-9a8c-43b4-a5ad-a3652633c1fcctx:claims/beam/c049d0e2-a8d1-4076-99a0-3cdb1d6f3c35ctx:claims/beam/0b98d56c-12b8-4c16-b04b-23766c3d6c2cctx:claims/beam/7711fd18-b375-463d-8a1e-75897ba6ddafctx:claims/beam/e84dc13b-d97a-4b40-92fe-5459a24e0148ctx:claims/beam/b5d54588-e15a-4485-a440-78fbd4309cb6ctx:claims/beam/a73e534d-d3c8-46c3-9bfc-6df6a614c6eactx:claims/beam/b4acf831-bb55-4351-b212-c6b3a2803f16ctx:claims/beam/361712f1-ba07-499e-bf38-65ab3e86d059ctx:claims/beam/0551b16c-ce6f-4ca1-887e-75101f9635fc- full textbeam-chunktext/plain1 KB
doc:beam/0551b16c-ce6f-4ca1-887e-75101f9635fcShow excerpt
def encrypt_data(key, data): # Generate a random 128-bit IV. iv = os.urandom(16) # Create a new AES-CBC cipher object. cipher = Cipher(algorithms.AES(key), modes.CBC(iv), backend=default_backend()) encryptor = cipher.en…
ctx:claims/beam/a8e860d3-a2eb-4ad3-a6ee-22481930a5a1- full textbeam-chunktext/plain1 KB
doc:beam/a8e860d3-a2eb-4ad3-a6ee-22481930a5a1Show excerpt
encrypted_data = encrypt_data(key, data) print(f"Encrypted data: {encrypted_data.hex()}") # Decrypt the data try: decrypted_data = decrypt_data(key, encrypted_data) print(f"Decrypted data: {decrypted_data.decode()}") except Excepti…
ctx:claims/beam/7e19863a-d1fd-4ecb-8689-dbf30a8549f1ctx:claims/beam/e3b8fdc4-c1bb-4c39-a760-8ac58a94eafe- full textbeam-chunktext/plain1 KB
doc:beam/e3b8fdc4-c1bb-4c39-a760-8ac58a94eafeShow excerpt
return key def encrypt_data(data, key): f = Fernet(key) encrypted_data = f.encrypt(data.encode()) return encrypted_data def decrypt_data(encrypted_data, key): f = Fernet(key) decrypted_data = f.decrypt(encrypted_da…
ctx:claims/beam/22bf3452-3cf2-4775-869b-61a865a7f8a9- full textbeam-chunktext/plain1 KB
doc:beam/22bf3452-3cf2-4775-869b-61a865a7f8a9Show excerpt
unpadder = padding.PKCS7(algorithms.AES.block_size).unpadder() data = unpadder.update(padded_data) + unpadder.finalize() return data.decode() def encrypt_data(data, password): """Encrypt data using AES.""" salt = os.ura…
See also
- Decryptor.update
- Encrypted Data
- Key
- Function
- Base64 B64decode
- Derive Key
- Cipher
- Unpad Data
- Plaintext Data
- Base64 String
- Decryptor
- Decryptor Update
- Decryptor Finalize
- Algorithms Aes
- Modes Cbc
- Pkcs7
- Backend
- Salt
- Iv
- Base64 Ciphertext to Plaintext
- Step Decoding
- Step Salt Extraction
- Step Iv Extraction
- Step Ciphertext Extraction
- Step Key Derivation
- Step Cipher Initialization
- Step Decryptor Creation
- Step Decryption
- Step Unpadding
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